| CAS No. | 36640-52-5 |
| Molecular Formula | C17H14N2O |
| Molecular Weight | 262.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 262.31 g/mol gives 3-(4-Methylphenyl)-1-phenylpyrazole-4-carbaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(4-Methylphenyl)-1-phenylpyrazole-4-carbaldehyde (CAS 36640-52-5), molecular formula C17H14N2O and molecular weight 262.31 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(4-Methylphenyl)-1-phenylpyrazole-4-carbaldehyde (C17H14N2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 262.31 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-(4-Methylphenyl)-1-phenylpyrazole-4-carbaldehyde meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C17H14N2O |
| Molecular Weight | 262.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |